Home / 663,276.20-994,914.30-164,640.20

Finding the Fourth Proportional to 663,276.20, 994,914.30 and 164,640.20

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Solution

The fourth proportional to 663,276.20, 994,914.30 and 164,640.20 is: 246,960.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,276.20 : 994,914.30 = 164,640.20 : x
  2. Step 2: Convert to fraction form
    663,276.20/994,914.30 = 164,640.20/x
  3. Step 3: Cross multiply
    663,276.20x = 994,914.30 × 164,640.20
  4. Step 4: Simplify right side
    663,276.20x = 163,802,889,334.86
  5. Step 5: Solve for x
    x = 163,802,889,334.86/663,276.20
  6. Step 6: Final answer
    x = 246,960.30

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.